Noometry

Model comparison

Gemini 1.5 Flash 8B vs GPT-4.1

GPT-4.1 is the stronger model overall, scoring 35.9 to 29.9 on the Noometry Index.

Last verified . 21 shared benchmarks.

Gemini 1.5 Flash 8B Google

29.9

Rank #301 Confirmed

GPT-4.1 OpenAI

35.9

Rank #219 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 2 categories and GPT-4.1 in 7 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where GPT-4.1 leads 37.1 to 16.0.
  • The biggest single-benchmark swing is GPQA Diamond: 33% for Gemini 1.5 Flash 8B and 66.9% for GPT-4.1.

Side by side

Gemini 1.5 Flash 8BGPT-4.1
ProviderGoogleOpenAI
Noometry Index29.935.9
Released2024-10-032025-04-14
WeightsProprietaryProprietary
Context window—1.05M
Max output—33K
Input $ / M tokens—$2
Output $ / M tokens—$8
Results tracked2152

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Category by category

Coding Gemini 1.5 Flash 8B leads

Gemini 1.5 Flash 8B: 35.5 (#225), GPT-4.1: 34.4 (#238)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
LMArena Coding12181391
SWE-bench Verified—48.5%
SWE-bench Verified (bash only)—39.6%
Aider Polyglot—52.4%
WeirdML—39%
CadEval—42%
ALE-Bench—558.1

Agentic & Tool Use Not comparable

Gemini 1.5 Flash 8B: —, GPT-4.1: 34.7 (#43)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
Berkeley Function Calling Leaderboard—54%

Reasoning Gemini 1.5 Flash 8B leads

Gemini 1.5 Flash 8B: 20.0 (#244), GPT-4.1: 11.7 (#339)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
LMArena Hard Prompts12091384
DTBench50%68.3%
ARC-AGI-2—0.4%
SimpleBench—27%
Kagi LLM Benchmark—52.3%
ARC-AGI-1—5.5%
Chess Puzzles—6%
EnigmaEval—2.2%
LMCA—25.6%
Epoch Capabilities Index—136.78
ForecastBench—61.5

Math GPT-4.1 leads

Gemini 1.5 Flash 8B: 14.2 (#302), GPT-4.1: 22.3 (#280)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
OTIS Mock AIME 2024-20254.6%38.3%
LMArena Math12071370
FrontierMath (Tiers 1-3)—6%
Omni-MATH—47.1%
MATH Level 5—83%
FrontierMath (Feb 2025 set)—5.5%
FrontierMath Tier 4 (v1)—0%

Knowledge GPT-4.1 leads

Gemini 1.5 Flash 8B: 16.0 (#289), GPT-4.1: 37.1 (#160)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
GPQA Diamond33%66.9%
LMArena Expert11851364
Humanity's Last Exam—5.4%
SimpleQA Verified—31.1%
MMLU-Pro—81.1%
Vectara Hallucination Rate—5.6%
GPQA (HELM)—65.9%

Multimodal GPT-4.1 leads

Gemini 1.5 Flash 8B: 28.2 (#115), GPT-4.1: 38.2 (#67)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
LMArena Vision10441211
GeoBench—72%

Multilingual GPT-4.1 leads

Gemini 1.5 Flash 8B: 38.5 (#229), GPT-4.1: 49.4 (#133)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
LMArena Non-English12151370
LMArena Chinese12311382
LMArena French12341382
LMArena German12061381
LMArena Japanese11501319
LMArena Korean11401339
LMArena Russian12361377
LMArena Spanish12121376

Instruction Following GPT-4.1 leads

Gemini 1.5 Flash 8B: 62.8 (#236), GPT-4.1: 71.3 (#153)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
LMArena Instruction Following11991367
IFEval—83.8%

Long Context GPT-4.1 leads

Gemini 1.5 Flash 8B: 37.0 (#225), GPT-4.1: 40.0 (#163)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
LMArena Longer Query12191385
Fiction.LiveBench—63.9%

Writing & Preference GPT-4.1 leads

Gemini 1.5 Flash 8B: 42.8 (#232), GPT-4.1: 57.6 (#125)

BenchmarkGemini 1.5 Flash 8BGPT-4.1
LMArena Text12261383
LMArena Creative Writing12181363
LMArena Multi-Turn11851398
EQ-Bench Creative Writing—1420
WildBench—85.4%

Frequently asked questions

Is Gemini 1.5 Flash 8B better than GPT-4.1?

GPT-4.1 is the stronger model overall, scoring 35.9 to 29.9 on the Noometry Index.

Is Gemini 1.5 Flash 8B or GPT-4.1 better for coding?

Gemini 1.5 Flash 8B scores higher on coding benchmarks: 35.5 versus 34.4 in the Noometry coding category.

How many benchmarks do Gemini 1.5 Flash 8B and GPT-4.1 share?

21 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and GPT-4.1 has 52.

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